Function extractAnsiCode

extractAnsiCode(
str: string,
pos: number,
): { code: string; length: number } | null
Extract an ANSI escape sequence starting at pos in str. Handles CSI (ESC [), OSC (ESC ]), and APC (ESC _) sequences. Returns null if no escape sequence starts at pos.
Parameters
- str: string
- pos: number
Returns { code: string; length: number } | null
- Defined in core/src/width.ts:12